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Photo Credits
- 1. (c) Martin LaBar, some rights reserved (CC BY-NC)
- 2. (c) Andy Fyon, some rights reserved (CC BY-NC), uploaded by Andy Fyon
- 3. (c) Dorota (Dorothy), some rights reserved (CC BY-SA)
- 4. (c) Owen Wolter, some rights reserved (CC BY-NC-ND)
- 5. (c) Mark Kluge, some rights reserved (CC BY-NC-ND), uploaded by Mark Kluge
- 6. (c) Salomé Bielsa, some rights reserved (CC BY-NC-SA)
- 7. (c) Tom Potterfield, some rights reserved (CC BY-NC-SA)
- 8. (c) maddie_b, some rights reserved (CC BY-NC), uploaded by maddie_b
- 9. (c) Jason Sturner, some rights reserved (CC BY)
- 10. (c) Randy Nonenmacher, some rights reserved (CC BY-SA)
- 11. (c) lvconrad1977, some rights reserved (CC BY-NC), uploaded by lvconrad1977
- 12. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
- 13. (c) Kevin Metcalf, some rights reserved (CC BY-NC), uploaded by Kevin Metcalf
- 14. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
- 15. (c) James Welch, some rights reserved (CC BY-NC), uploaded by James Welch
- 16. (c) tlcaggie, some rights reserved (CC BY-NC)
- 17. (c) Sandy Wolkenberg, some rights reserved (CC BY), uploaded by Sandy Wolkenberg
- 18. (c) Virginia (Ginny) Sanderson, some rights reserved (CC BY-NC-ND)
- 19. (c) WK Cheng, all rights reserved, uploaded by WK Cheng
- 20. (c) Andreas Rockstein, some rights reserved (CC BY-SA)
- 21. (c) Clare Dellwo Cole, some rights reserved (CC BY-NC), uploaded by Clare Dellwo Cole
- 22. (c) Wolfgang Siebeneich, some rights reserved (CC BY-NC), uploaded by Wolfgang Siebeneich
- 23. (c) beautifulcataya, some rights reserved (CC BY-NC-ND)
- 24. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 25. (c) Bob MacInnes, some rights reserved (CC BY)
- 26. (c) Joanna Brichetto, some rights reserved (CC BY-NC), uploaded by Joanna Brichetto
- 27. (c) Sara Rall, some rights reserved (CC BY-NC), uploaded by Sara Rall
- 28. no rights reserved, uploaded by mefisher
- 29. (c) Malcolm Manners, some rights reserved (CC BY)
- 30. (c) Charlotte Bill, some rights reserved (CC BY-NC), uploaded by Charlotte Bill
- 31. (c) Jennifer Stewart, some rights reserved (CC BY-NC), uploaded by Jennifer Stewart
- 32. (c) Christine (and John) Fournier, some rights reserved (CC BY-NC)
- 33. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 34. (c) Darrel Brown, some rights reserved (CC BY-NC), uploaded by Darrel Brown
- 35. (c) Nick Beck, some rights reserved (CC BY-NC-SA)
- 36. (c) Julia V. Shner, some rights reserved (CC BY-NC), uploaded by Julia V. Shner
- 37. (c) Jason Hollinger, some rights reserved (CC BY)
- 38. (c) thesnaguy, some rights reserved (CC BY-NC-SA), uploaded by thesnaguy
- 39. (c) Arnstein Rønning, some rights reserved (CC BY-SA)
- 40. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
- 41. (c) Haley Selen, some rights reserved (CC BY-NC), uploaded by Haley Selen
- 42. (c) Ana Ka'ahanui, some rights reserved (CC BY-NC), uploaded by Ana Ka'ahanui
- 43. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 44. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 45. (c) jinjian liang, some rights reserved (CC BY-NC-ND)
- 46. (c) Dan and Raymond, some rights reserved (CC BY-NC-SA)
- 47. (c) Danny Barron, some rights reserved (CC BY-NC-ND)
- 48. (c) Paul Appleton, some rights reserved (CC BY-NC)
- 49. (c) aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar
- 50. (c) amlambert11, some rights reserved (CC BY-NC), uploaded by amlambert11
- 51. (c) Babij, some rights reserved (CC BY-SA)
- 52. (c) Erika Mitchell, some rights reserved (CC BY-NC), uploaded by Erika Mitchell
- 53. (c) rmyoshihara, some rights reserved (CC BY-NC), uploaded by rmyoshihara
- 54. (c) Massimo Urso, some rights reserved (CC BY-NC), uploaded by Massimo Urso
- 55. (c) Carol Foil, some rights reserved (CC BY-NC-ND)
- 56. (c) Don Loarie, some rights reserved (CC BY)
- 57. (c) Belinda Lo, some rights reserved (CC BY-NC-SA)
- 58. (c) anohturfft, some rights reserved (CC BY-NC)
- 59. (c) zen Sutherland, some rights reserved (CC BY-NC-SA)
- 60. (c) Maria Wheeler-Dubas, some rights reserved (CC BY-NC), uploaded by Maria Wheeler-Dubas
- 61. (c) TANAKA Juuyoh (ç”°ä¸åæ´‹), some rights reserved (CC BY)
- 62. (c) George F Mayfield, some rights reserved (CC BY-SA)
- 63. (c) S. Rae, some rights reserved (CC BY)
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- 65. (c) Kristin Johnson, some rights reserved (CC BY-NC), uploaded by Kristin Johnson
- 66. (c) Nathan Taylor, some rights reserved (CC BY-NC), uploaded by Nathan Taylor
- 67. (c) Laura Breeden, some rights reserved (CC BY-NC), uploaded by Laura Breeden
- 68. (c) Superior National Forest, some rights reserved (CC BY)
- 69. (c) rkelly305, some rights reserved (CC BY-NC)
- 70. (c) Robert Flogaus-Faust, some rights reserved (CC BY)
- 71. (c) Matthew Salkiewicz, some rights reserved (CC BY-NC), uploaded by Matthew Salkiewicz
- 72. (c) Nikolay Panasenko, some rights reserved (CC BY-NC), uploaded by Nikolay Panasenko
- 73. (c) Anita, some rights reserved (CC BY-NC-SA)
- 74. (c) Drepanostoma, some rights reserved (CC BY-NC), uploaded by Drepanostoma
- 75. (c) Harald Schnöde (Schnode), all rights reserved, uploaded by Harald Schnöde (Schnode)
- 76. (c) Sue Wetmore, some rights reserved (CC BY-NC), uploaded by Sue Wetmore
- 77. (c) yaoshawn, some rights reserved (CC BY-NC), uploaded by yaoshawn
- 78. (c) Kew on Flickr, some rights reserved (CC BY-NC-SA)
- 79. (c) Erik Jørgensen, some rights reserved (CC BY-NC-SA)
- 80. (c) Peter Gorman, some rights reserved (CC BY-NC-SA)
- 81. (c) Lynette Schimming, some rights reserved (CC BY-NC)
- 82. (c) Lauren Glevanik, some rights reserved (CC BY-NC), uploaded by Lauren Glevanik
- 83. (c) dogtooth77, some rights reserved (CC BY-NC-SA)
- 84. (c) Arthur T. LaBar, some rights reserved (CC BY-NC)
- 85. (c) Ron Marusak, some rights reserved (CC BY-NC), uploaded by Ron Marusak
- 86. (c) alfanoar, some rights reserved (CC BY), uploaded by alfanoar
- 87. (c) peggyo, some rights reserved (CC BY-NC), uploaded by peggyo
- 88. (c) Patrick Coin, some rights reserved (CC BY-NC-SA)
- 89. (c) Sherry Nigro, some rights reserved (CC BY-NC), uploaded by Sherry Nigro
- 90. (c) Kristin Jones, some rights reserved (CC BY-NC), uploaded by Kristin Jones